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Consider the Model Y = β0 + β1x + β2d

Question 38

Multiple Choice

Consider the model y = β0 + β1x + β2d + ε, where x is a quantitative variable and d is a dummy variable. When d = 0, the predicted value of y is ________.


A) Consider the model y = β<sub>0 </sub>+ β<sub>1</sub>x + β<sub>2</sub>d + ε, where x is a quantitative variable and d is a dummy variable. When d = 0, the predicted value of y is ________. A) = b<sub>0</sub>+ b<sub>1</sub>x + b<sub>2</sub>d B) = b<sub>0 </sub>+ b<sub>1</sub>x C) = b<sub>0 </sub>+ b<sub>2</sub>d D) = b<sub>0 </sub>+ b<sub>1</sub>(x + d) = b0+ b1x + b2d
B) Consider the model y = β<sub>0 </sub>+ β<sub>1</sub>x + β<sub>2</sub>d + ε, where x is a quantitative variable and d is a dummy variable. When d = 0, the predicted value of y is ________. A) = b<sub>0</sub>+ b<sub>1</sub>x + b<sub>2</sub>d B) = b<sub>0 </sub>+ b<sub>1</sub>x C) = b<sub>0 </sub>+ b<sub>2</sub>d D) = b<sub>0 </sub>+ b<sub>1</sub>(x + d) = b0 + b1x
C) Consider the model y = β<sub>0 </sub>+ β<sub>1</sub>x + β<sub>2</sub>d + ε, where x is a quantitative variable and d is a dummy variable. When d = 0, the predicted value of y is ________. A) = b<sub>0</sub>+ b<sub>1</sub>x + b<sub>2</sub>d B) = b<sub>0 </sub>+ b<sub>1</sub>x C) = b<sub>0 </sub>+ b<sub>2</sub>d D) = b<sub>0 </sub>+ b<sub>1</sub>(x + d) = b0 + b2d
D) Consider the model y = β<sub>0 </sub>+ β<sub>1</sub>x + β<sub>2</sub>d + ε, where x is a quantitative variable and d is a dummy variable. When d = 0, the predicted value of y is ________. A) = b<sub>0</sub>+ b<sub>1</sub>x + b<sub>2</sub>d B) = b<sub>0 </sub>+ b<sub>1</sub>x C) = b<sub>0 </sub>+ b<sub>2</sub>d D) = b<sub>0 </sub>+ b<sub>1</sub>(x + d) = b0 + b1(x + d)

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